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Web service invocation gives nullpointer exception?

jina das
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I've created a web service using netbeans on jboss 4.2.1ga by exposing a ejb. the wdsl is created and loads in browser when i check it & the jmx-console also seems pretty convinced all is working
but then when i try an invoke it from within a flex page, i get a nullpointer exception

when i google it, i come here;

and it says if the event context is initialised, it is fixed, my log tells me that initialcontext did not implement eventcontext - so this seems to be my problem.

could anyone point me in the direction of getting my event context up - when i've googled it, i've read that the warning is merely a red herring & ignorable! or i get here - where the exception alludes to it being a classcast exception - i'm not really sure what to do with that information though!

i'm really at a loss here and any hints would be massively massively appreciated!


context message;


invocation error;

I agree. Here's the link:
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